/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.migo.utils;

/**
 * @author 知秋
 * @email fei6751803@163.com
 */
public class TailCalls {
    public static <T> TailCall<T> call(final TailCall<T> nextCall) {
        return nextCall;
    }
    public static <T> TailCall<T> done(final T value) {
        return new TailCall<T>() {
            @Override public boolean isComplete() { return true; }
            @Override public T result() { return value; }
            @Override public TailCall<T> apply() {
                throw new Error("end of recursion");
            }
        };
    }
}
